package cn.ww.teach.knowledge.absFacroty;

/**
 * Created by Wangwang on 2017/11/20.
 */
public class SendAFactory extends Provider {

    private static SendAFactory instance = new SendAFactory();

    public static SendAFactory getInstance() {
        return instance;
    }

    @Override
    public Sender createSender() {
        return new AMail();
    }
}
